waldeckkirche's News: 6ak5 guitar amp. Part 2 and the final chapter of the GR test equipment re-purpose

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Jul 07th, 2024

Guitarist. Best high-end guitar amps 2024: 8 of the finest-sounding amplifiers money can buy. By Simon Fellows. ( Guitarist, Total Guitar ) published 18 February 2022. From handwired boutique combos to high-gain monster heads, we invite you to peruse these dream guitar amps from Fender, Marshall, Mesa/Boogie and more.A (4) piece lot of audio - guitar - amplifier - HAM - radio - TV tubes, type 6AK5 .The tubes are n. o. s. in the boxes , various brands.Tubes test good on the Heath IT-17 tube tester.While you're hereNov 11, 2022 - Find many great new & used options and get the best deals for RCA 6AK5 Vacuum Tube Vintage No Box NOS TV Guitar AMP Ham Radio MINT USA Vintage at the best online prices at eBay! Free shipping for many products!Used – Very Good. CAPE MAY, NJ, United States. $390. D-Lab/Dynaco Clipperton dual 6AQ5 guitar tube ampI was challenged to build a high metal distortion amp without following the typical design, so I came up with the Clipperton that utilizes a radio detector tube 6AL5. This amp is something special.Push-Pull (PP) EL84 (6BQ5) or 6V6 (6AQ5) Tube Amp Schematic with Dynaco A-410 Transformers. Schematic is from the Dynaco Super-Fidelity Output Transformers catalog.Each channel on this amplifier is driven by single-ended 6AQ5W with UL (Ultra Linear) connection (3W per channel output); therefore, the H-507S (rated 7W) output transformer from Hashimoto could have been adequate. However, Mr. Atarashi rather used a stepped up model, the H-20-7U (rated 20W at 50Hz) because he thought the H-20-7U might show an ...Description: JAN 5654W tubes is a great upgrade for Little Dot and Little Bear amps! This tube is a direct replacement for 7-Pin 6J1 / 6J1P / 6J1P-EB / 6Zh1P-EV / 6AK5 / 6AK5W / EF95 tubes. This tube is very high quality and will last for a long time. We subject these tubes to multiple test cycles and plate voltages to determine stability.Another cool unique amp by D-lab. Emi decided to do the intro. Although she is a not an expert in this field (YET), her presentation will melt your heart. Th...6BQ5 (EL84) to 6AQ5 (EL90) Converter - Finally!! by Dana-L » Fri May 04, 2007 8:33 pm. My most recent completed project was to find a use for the dozens of 6AQ5 (aka 6AQ5A, EL90, 6005) valves that I've accumulated in my tube scrounging efforts. Using a 7-pin socket, a 9-pin socket saver, some old GE tube data sheets and my cheapo Radio ...Nov 5, 2016. #3. Well, the signal would go like this: Turntable -> SUT -> tube buffer -> integrated amp MM phono stage. I would think that the last stage would take care of gain and RIAA curve. Otherwise, it would be: Turntable -> SUT -> phono stage separate -> integrated amp line stage.6005W JAN/GE aka 6AQ5A / 6AQ5W / EL90 / 6HG5 / 6669 / CV4019 NOS-NIB Pentode. the 6005W is the Super-6AQ5 made by General Electric for JAN=Joint Army-Navy. he W marking at the end of the type number refers to the particularly robust design in accordance with military requirements. 6AQ5 were used in the Fender Musicmaster Bass Amp and in the ...I once had an old Gibson guitar amp that ran a single 6AQ5. The 6BQ5 / EL84 came a few years later and stole the 6AQ5's thunder in many audio applications. TV's, radios and HiFi sets all went on a diet over the years, getting smaller and smaller. The octal got replaced with the 9 pin miniature, which gave way to the 7 pin miniature, but the ...Fender Musicmaster Bass amp - 6AQ5 version. I've acquired a chassis for a Musicmaster Bass amp. It has a few things still present in the chassis. One of them is the pilot light which is different than the typical Fender 6.3 volt bulb and holder (and jeweled pilot lens). It's one of the changes made by Fender between the 6AQ5 version and the 6V6 ...Part 2 and the final chapter of the GR test equipment re-purpose to a tube guitar amp. Man did this one turn out great! Tony C had nothing bad to say about i...This is a 1964 Univox U45 Amp. This is a unique beautiful vintage time capsule that has been completely restored to like new condition. ... Univox 1221 tube guitar amp head 70s Vintage. Used – Good. MOUNT LAUREL, NJ, United States. $525. $525. Add to Cart. Price Drop. Univox Unicord Stage 720 Solid State Guitar Combo Amp with Footswitch ...The Marshall MS2 micro guitar amp is the lightest and the tiniest amp on this list. This battery-powered beauty delivers just enough power and amplification that you need to practice comfortably on the move or even perform to an intimate gathering, and we think a pocket-sized amp like this one deserves to be in every guitarist's collection. ...This Single-Ended (SE) 6V6 and 6V6GT Tube Amplifier Schematic is from the book Build your own Audio Valve Amplifier by Rainer zur Linde. Either 6V6 or 6V6GT pentode tubes can be used in the output position. The two triodes in the ECC83 (12AX7) are connected in parallel to obtain a low internal resistance.In my amp, I used a 12AX7 voltage amp coupled to a 6FQ7 differential pair, but I needed that much open loop gain because I applied 18 dB global feedback. Another idea you might consider, but at considerably less output power, is to configure the output stage for triode PP AB1 mode. A 5K OPT would work fine in that scenario.6AK5 6AL5 Amber Vacuum Tube LED Night Light Vacuum tube valve heater glows like it is sitting in the chassis of a tube guitar amplifier, radio or tv and will turn on as the room darkens and go out with ambient light. Heater glow is simulated by an LED and is COOL TO THE TOUCH! Uses very low energy due to efficient LED Design.A (4) piece lot of audio - guitar - amplifier - HAM - radio - TV tubes, type 6AK5. Tubes test good on the Heath IT-17 tube tester. I will accept a check from.D-Lab Regency MR-10 dual 6AQ5 Class A Boutique tube guitar amplifier. Used – Excellent. Battle Creek, MI, United States. $445. $50 price drop. $395. Add to Cart. Price Drop. D-Lab Sweeper Vertical output Class A 6DQ6A Boutique tube guitar amplifier.Vintage Raytheon 6AK5 Tube - In Good Working Condition Ships via USPS Small Flat Rate Box - Can be combined with multiple items as long as they fit in the small flat rate boxThat point is now, as the amplifier works and has now been safety tested. It uses a 6AU6 in the preamp, and the 5763 in the power amp (the tube I have is actually an 5763-equivalent Philips QE03/10). Here is the schematic: I used a baking tray for the chassis, which was quite effective. This is my first tube amplifier build.2x10 Custom Amplifier (Amp) Speaker Cabinet for Univox. Used – Mint. Collegeville, PA, United States. $544. $544. 14-Day Return Policy. On Sale. Kalamazoo Bass 30 30-Watt 2x10" Tube Guitar / Bass Combo 1965 - 1969 - Black. Used – Fair.A custom boutique amp build. Came back after 11 years for maintenance. Issue turned out to be a defective filter cap. The old Mallory was vintage before I in...Sylvania 6AK5 / 5654 Pentode tube- steel pins- Only 1 tube available in original box tested on Amplitrex AT-1000. $ 12.00. Details Read more. All prices are per tube. ... All NOS tubes types for home audio and guitar amplifiers. $50 minimum product order * 30 Day Rock Solid Warranty on ALL NOS Tubes!The special grooved glass design was developed for military applications. These Voshkod tubes are some of the best sounding Russian 6AK5 tubes especially when used in Little Dot amplifiers. Limited qty in stock ,,,all pieces tested on Amplitrex AT-1000. Enter qty 2 for matched pair. Voshkod 6ZH1P 6AK5W M8100 CV4010 Vacuum Tubes $28.99 In Stock!Jun 6, 2009 · Gibson Scout 17-RVT uses 6AQ5 with 305v on the plates. Location: Seattle, WA. The Gibson Crestline GA-5 Skylark amps use 6AQ5's in pairs. This is a version of DaGeezer's Little Wing amp that originally used 6BM8 tubes. I drew up this schematic but never got around to building the amp.Overloading of power outlets is among the most common electrical issues in residential establishments. You should be aware of the electrical systems Expert Advice On Improving Your...D-Lab Regency MR-10 dual 6AQ5 Class A Boutique tube guitar amplifier. Used - Excellent. Battle Creek, MI, United States. $445. $50 price drop. $395. Add to Cart. Price Drop. D-Lab Sweeper Vertical output Class A 6DQ6A Boutique tube guitar amplifier.

6: Amplifikation Lite by Kuassa. Available as: Plugin only. Amplifikation Lite is a simple and free amp simulator plugin with three channels; clean, rhythm, and lite. You can shape your tone using the channel selector, gain, bass, middle, treble, presence, volume, and cabinet on/off.The 6AQ5 output tubes are described in the RCA receiving tube manual as being lower voltage versions of the larger 6V6 beam power pentodes. The maximum undistorted power output from this amplifier is about 5 watts, which is plenty loud for a practice amp. The amp can drive an 8", 10" or 12" guitar speaker.Looking at the datasheets the ECL86 comes close to the EL84, but then with max 9 Watts anode dissipation instead of max 12 Watts for the EL84. But the ECL86 is a beam power tetrode while the EL84 is (originaly) a power pentode. The triode in the ECL86 is half an 12AX7 (= ECC83). The E81L costs about 7 Dollar NOS in the Netherlands.6v6 tube amplifier guitar pp2 bonavolta débutThe howler monkey push pull 6aq5 guitar amp A proposed push-pull 6c45 spud ampSmps explanation switched psu switching circuits pcb subwoofer. 6v6 pp2The push-pull circuit of 6p1 Schematic push pull ton originalCircuit 6p1 push pull amplifier seekic diagram follows shown.Many flea-power guitar amps are built around a dual triode output stage, often using a 12AU7A push-pull circuit. I wanted this amp to come closer to the sound of a big amp, so I decided to use a pair of small power pentodes instead. I used two 6AK6 pentodes, rated at 2.75W plate dissipation, in a parallel single-ended configuration.Description. One matched pair (2) Mullard M8100 EF95/6AK5/5654 for Little Dot tube rolling. These are the highly sought after M8100 military version with round getter. Absolutely identical with the square getter version we used to sell earlier - except of the getter type. All tubes carry either Mullard Whyteleafe or Mitchum production codes.Khan Audio Pak Amp, 2-Channel The KHAN Pak Amp is a full featured Vacuum Tube Guitar Amplifier that fits in the palm of your hand. A pair of NOS GE 6AQ5 Beam Power tubes are used for a total of 9 or 18 (power switchable) watts of all tube Class A/B power. Single channel and dual channel versions are available, delivering classic rock guitar ...Most amps will include some kind of tone stack, which allows the user to accentuate the bass, middle and treble of their tone. Often, you'll find reverb, whether physical in the form of spring, or digitally modelled. Tube amp users will want to pay attention to the type, and number, of tubes used to create the tone.A (4) piece lot of audio - guitar - amplifier - HAM - radio - TV tubes, type 6AK5. Tubes test good on the Heath IT-17 tube tester. I will accept a check from.Jun 20, 2020 - The Howler Monkey Push Pull 6AQ5 Guitar Amp. Jun 20, 2020 - The Howler Monkey Push Pull 6AQ5 Guitar Amp. Explore ...The AO-44 chassis can also be turned into a higher power guitar amplifier using a pair of 6BQ5 pentodes and a 6U10 compactron, see the Spartacus Amp project for details. The Spartacus project is more involved, it requires replacing most of the AO-44 circuitry. The AO-44 amps are currently available for reasonable prices on eBay.I've seen an NE used as a video buffer amp at the end of a 75 ohm line. Used so that the This circuit greatly expands upon the capabilities of circuit A thermocouple signal is quite. Low power push pull tube amp RELATED VIDEO: push pull Amplifier with C5200 A1943 powerful AmplifierYou could use the 5879 alone, 5879 with 6AU6 or 5654, or the 6Au6 alone or the 5654 alone. This allowed me to try all three of those tubes in a V1 position. IIRC, I liked the 5879 best, then the 5654 next …The headphone amplification is done via NE5532P, the tubes are supplied with 100vdc via a DC-DC booster and the input supply is 12vdc. DIY 6J1 2 Tube Headphone Amplifier Kit Preamp Tube Board Preamplifier Post amplifier with 3.5MM Headphone / Preamp Output 12V DC|Headphone Amplifier| - AliExpress.Rebecca Genel Global PR/Media Relations Manager Roland Corporation (323) 890-3718 [email protected]. Los Angeles, California, May 23, 2024 —BOSS introduces the Katana Gen 3 Guitar Amplifier lineup, the third generation of the best-selling Katana amp series. Refreshed with updated sounds and features, the seven Katana Gen 3 models ...

May 16, 2023 - This Pin was discovered by Michael P. Koryciak. Discover (and save!) your own Pins on Pinterest6AQ5-6AQ5 guitar amp. This is a small practice amp for my home in Sweden. My design polycy of building amplifier is little weird, I first choose the personnel of tube names regardless of circuit. I insist the set of tube names that should sound nice to me. And I like this 6AQ5-6AQ5. You know, 6AQ5 is a miniature power tube which is equivalent ...Sylvania 6AK5 / 5654 Pentode tube- steel pins- Only 1 tube available in original box tested on Amplitrex AT-1000. $ 12.00. Details Read more. All prices are per tube. ... All NOS tubes types for home audio and guitar amplifiers. $50 minimum product order * 30 Day Rock Solid Warranty on ALL NOS Tubes!That will give the voltage for a center-biased, 100% dissipation idle point. For 1 6K6 and 10k Za, Pa max = 8.5W, so Va-k = 292. For 1 6AQ5 and 10k Za, Pa max = 12W, so Va-k = 346 (note spec Va-k max is 275, which would require a 6k3 Za to center bias) The screen should be ~50-75V lower than the plate.published 5 February 2018. Khan Audio has introduced its new Pak amplifier. A vacuum tube guitar amp that can fit in the palm of your hand, the Pak focuses on delivering classic electric guitar tones. Utilizing a pair of NOS 6AQ5 power pentodes, the Khan Pak delivers all the rich tones, overdrive and feel of a real vacuum tube guitar amplifier.The schematic shows a Volume control, then ECC82/12AU7 gain stage, then second ECC82/12AU7 gain stage, then 6AQ5. Steps. 1. The Champ plan would be to swap an ECC83/12AX7 in place of the ECC82. Plate and cathode resistor values are close-enough for now, so leave them until after you taste-test. 2.6AQ5 SE amp build from Ampro parts. Hi All. I am converting an old Ampro reel-to-reel into an SE guitar amp. The tape mechanisms were all rusted to hell and non-functioning, but the basic amp seems nicely intact, as is the wee cabinet that I'll re-use to house the amp. My question concerns possible schematics to follow during my rebuild.Feature: These vintage, 1980s - military specification - General Electric valves are a perfect upgrade,JAN GE5654W Vacuum Tubes is a great upgrade for Little Dot and Little Bear amps! This tube is a direct replacement for 7-Pin 6J1 / 6J1P / 6J1P-EB / 6Zh1P-EV / 6AK5 / 6AK5W / EF95 tubes. 5654W Vacuum Tubes is very high quality …This untested vintage amp has point-to-point wiring and looks very clean. It is missing one tube, a 12AX7. The 6X4 rectifier, 6AV6, and 6AQ5 output tubes are included. ... Wilcox-Gay 6AQ5 Mono Tube Amp Chassis PA Guitar Project Recordio 1956 Silver. Used - Non Functioning. New Price $76 + $30 Shipping. This piece of gear has sold.The Ace Hotel New York is back after being shut down for over a year due to the pandemic. Here's one travel journalist's review of a recent stay. I've been a fan of the Ace Hotel b...Mikael Abdellah KT88 Single-Ended Tube Amplifier Schematic. Output power will be about 5W. The 470 ohm cathode resistor sets bias at a 75mA which is only about 68% of the maximum plate dissipation so expect long tube life with this amp. Choose a good quality audio output transformer with a 5k primary and rated for at least 10W. …Unique conversation piece for any tube guitar amp, antique radio and tv fan! Handmade using tubes found in vintage audio equipment. Similar in size and shape to a 12AX7 preamp tube. Taller than the 6AK5 tube light I sell, more common in electronic equipment. You will receive a similar looking night light.6AK5. The EF95/6AK5 is an amplifier pentode that is physically small and the electrode assembly is no more than a 10 mm cube. The use of this device lay in low noise RF …It's a new design of sorts for me a 20W 6AQ5 amp in a 1959/87 SLP preamp. I had MPS build me a custom wound PT 275-0-275 with a lot larger filament winding to handle the extra pair of 6AQ5's. This will have a quad of 6AQ5's, and the 3 each 12ax7's in the preamp, will use a 5y3 for the rectifier. I love the tone that Lil59 has, just want to have ...Jun 20, 2020 - The Howler Monkey Push Pull 6AQ5 Guitar Amp. Jun 20, 2020 - The Howler Monkey Push Pull 6AQ5 Guitar Amp. Explore ...Fender Acoustasonic 90. 4.7. Check Amazon Price. Check Sweetwater Price. This is a very lightweight guitar amp but packs a powerful speaker. In such a compact set up, you still get 90 watts of power, two channel inputs, mp3 aux inputs, and a feedback elimination circuit for a great response.yes. with 6AQ5 idle set to 9W with 310V you'll need ~35mA + screen and pre-amp - another 8-10ma worst case. yes. it's class A single tube. ditch the vacuum recto and go SS - you won't notice any diff. in tone, however, with SS recto, you can kick up the filter size considerably and improve audible PS "buzz" at idle.

Hi correct. It has a .022 for tone stack and I strapped a .0056 across to raise the value. Input is a 1.5k resistor and 25uf filter cap. Guitar is ok sounding with volume lowered to 7ish. Changed the Mallory 150s to Sprague brown drops that improved the tone a lot but still has a weird space like bass full volume.Apr 1, 2013. #2. Yes, they are both plentiful and good sounding. Here's the 8800 schematic which you may use with 6AQ5s. The voltage limits are going to be determined first by …Most amps will include some kind of tone stack, which allows the user to accentuate the bass, middle and treble of their tone. Often, you'll find reverb, whether physical in the form of spring, or digitally modelled. Tube amp users will want to pay attention to the type, and number, of tubes used to create the tone.Search in titles only Search in Conversion Projects only. Search. Advanced SearchThese are powered by a 9v 1A AC wallwart into a PCB 12v toroid (backwards for up to 200v dc once rectified and smoothed) Attached is my attempt at getting sustain for my guitar with lots of even harmonics. The 6AL5 provides limiting of the amplified signal and the cold biased 2nd 6AK5 does the soft even harmonic thing.A guitar amp is worse case since the speaker's resonant impedance peak is usually inside the guitar's frequency range, and overdriving a guitar amp is an accepted practice. I have seen 2KV+ peaks on the plates of a guitar amp with a 430 volt B+, when driven well into clipping. Most tubes will eat far more than their published plate voltage rating.Yes it will work as an audio amplifier, about 2 watts of audio out. Web mar 12, 2010. Amp That Uses 6Aq5 Tubes? Discussion in 'tube audio' started by knockbill, apr 1, 2013. 240v x 2 high resolution scan : A beam power tube, it is capable of an output of 4.5w, quite remarkable for its size. 12Ax7, 12Au7, 6Aq5, 6×4 Voltage : Web 6aq5 tube amp.Joined. Sep 22, 2009. Messages. 4. Oct 1, 2009. #1. The 6AK5 is the gold medal dumpster tube and you can't give it away, but looking at the specs I wonder if this has value as an early gain stage in a phono or tape preamp. Triode strapped it looks pretty good. Any experience with this tube.Add to Cart. Vintage Music Man 212 Sixty-Five 2-Channel 65 Watt 2x12” Guitar Combo Amp 1974 - 1979 – Black. Used – Very Good. East Brunswick, NJ, United States. $895. $895. Add to Cart. 1974 Fender Champ chassis w/ original RCA tubes - serviced Silverface 6w tube amp. Used – Very Good.The OPT is a modified 70V line matching transformer. An air gap was added. It sounds better than the unmodified one. Since the inductance is lower with the a...Board index ‹ general ‹ guitar amps; Change font size; Print view; FAQ; un-loud 6aq5 amp. a fine line between stupid and clever. 32 posts • Page 1 of 3 • 1, 2, 3. un-loud 6aq5 amp. by nyazzip » Wed Mar 25, 2009 5:44 am .An American tube that has the same octal base as a 6V6 - and is a REAL PENTODE is the 6K6, and it requires about the same signal/drive/grid voltage to be driven to full power as a 6V6 - they can be used in lower voltage cathode biased (<300) amps with out any change of bias, etc. and sound very similar to EL84 - they only produce about %75 of ...D-Lab 6V6 Champ circuit guitar tube amp in a RCA wood cabinet. The cabinet is an old RCA 50's era. Cabinets finish is original. This is a very special cabinet, featuring butterfly pattern veneer. If you are seeking a unique sound with lots of Mojo, Here it is! A very quiet/responsive amp. Perfect for recording and will look super in your studio.0.2+0.2W mini amp with 12AU7 I designed & bult this for my bed room listening music quietly at night. I use 12AU7 as a power tube that normally used as a driver tube. Output power is only about 0.2W but it's loud enough for the use in the bed room. schematic 5W guitar amp with 6L6GC single ended I built this small guitar amp after a Fender Champ.6AQ5 amp project. 10-03-2018, 10:00 AM. Hi everybody, I have some parts laying around and have been thinking of building a guitar amp based on 6AQ5 power tubes. The output transformer is a Stancor A-3852 which is rated at 40 DCmA / 18W. I am wondering if this output transformer would be suitable for a power amp with 4x 6AQ5 tubes.6AK5. The 6AK5 is an amplifier pentode that is physically small and the electrode assembly is no more than a 10 mm cube. The use of this device lay in low noise RF amplification at VHF. Within the box shaped anode can be seen the grid structure. It is hard to see the control grid as it is made of very fine wire and close in to the cathode.Mar 16, 2016 · There are two and possibly three versions of the Musicmaster Bass amp. Version #1 uses 6AQ5 power tubes, has the aforementioned neon lamp pilot light and the on / off switch is combined with the volume control, like a 50s TV set. Version #2 has the traditional 6.3 volt light bulb, holder and jeweled lens, as I mentioned.

This amp that's up for sale is "The Patriot" amp head model, an 10W 6AQ5/EL90 a!

6AK5 - AUDIO GUITAR AMPLIFIER HAM RADIO TV tube -- lot of (4) Unverkauft Siehe ähnliche Artikel EUR 6,22 0 Gebote , eBay-Käuferschutz Verkäufer: 3d_electrical ️ (8.391) 99.6% , Artikelstandort: Flemington, New Jersey, US , Versand nach: WORLDWIDE, Artikelnummer: 384113403444 6AK5 - AUDIO GUITAR AMPLIFIER HAM RADIO TV tube -- lot of (4).D-Lab's Sparton Radio 4 watt 6AQ5 tube headTheme amp, only 1 will be built, very compact design1960's Sparton radio Wood Cabinet, Original finish 6AQ5 output tube, (NOS Amperex) running Class ABuilt on a Bud 9.5" aluminum chassisOutput tranny with 4+8 Ohm external jacksBack lighting thru a...

6AQ5 SE 4w guitar amp schematic and sound clips diyAudio. 6aq5 se ampli. For those who wish to try out tube amp, 6V6 is a good Well tuned combination with all HiFi grade 240V input voltage, 6W each channel, 6AQ5/12AX7 SE Amp HiFi Haven. Buy Douk Audio 6N2 6AQ5(6005) push-pull tube amplifier DIY KIT for power Audio HIFI 12W 12W at …AC 50/60Hz (115V and 230V) IEC standard 3P inlet. Power consumption. 28W * no signal. Dimensions. W210 x H122.5 x D252. Weight. Approx 3.5 Kg. The TU-8150 is the little brother to the TU-8200 and allows for both tube and opamp rolling so you can have fun tuning the sound to suit your own listening preferences.Title: 6AQ5 5AQ5 Author: General Electric Subject: JA-FP-2000-11-04 Created Date: 11/4/2000 4:55:17 PMThe 6AQ5 pentodes are cathode-biased through a 150 ohm, 2W resistor and associated bypass capacitors. The 6AQ5 pentodes are wired in a push-pull configuration and drive the output transformer, a P-T291 standard replacement type. The 1nF capacitor and 5.6K resistor across the 6AQ5 plate circuits act as a snubber which absorbs super-sonic signals ...

USB charger. 2.39 oz (67.76 grams) 4.7 x 3.8 x 1.5 inches (11.94 x 9.65 x 3.81 centimeters) Valeton is known for designing budget equipment, and here, you will get something quite impressive. While Rushead is a small, pocket-sized amp, it still sounds good and will significantly improve your practice.It should knock the wall voltage down by 12.6V. The PT converts 120VAC in, to 310 out. 310/120 = a factor of 2.583; 120VAC - 12.6 = 107.4VAC X 2.583 = 277VAC X about 1.1 conversion factor for the little bottle tube recto = 305VDC!!! Not bad, especially if dropping resistor is added (per above post). Logged.Dear all, I recently acquired an old Pamphonic 1003 hifi tube amp from 1955, which I converted succesfully to a nice sounding bass amp. For its output power of only 10 watts, it has a huge power and ultralinear output transformer. AC rates 270, DC 323 volt. I think the amp can deliver much more...Its a guitar amp, so I don't want to lower the voltages.., Thanks... gadget73 junk junkie. Subscriber. Apr 22, 2017 #2 Voltage is measured from the cathode, so 300 less whatever cathode volts is where you're at. Probably around 285 actual. You can probably run the 6aq5 in that, just maybe tweak the cathode resistor to make sure plate ...

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