Pyramid Audio

Pyramid Audio Regional service center for home audio brands like Denon, Yamaha, Marantz, Levinson, Arcam. Full list here: http://www.pyramid-audio.com/brands.html

Pyramid Audio, was originally started in 1980 in the city of College Station, Texas. In 1989, Pyramid Audio moved to Austin Texas. From here we have become the regional audio service center for several manufacturers. All of our technicians have passed the Yamaha service specialist test. Seems what I do on a daily basis and the skills my shop takes for granted are surprising to many. We repair elec

tronics at the component level. Mainly we repair consumer audio and we are very well known to; Sony, B&O, Denon, Pioneer, Yamaha, McIntosh, Adcom, Proceed, Lexicon and Levinson. Levinson, Lexicon, Revel, Yamaha, Denon and B&O refer to us as their regional service center. The same skills are needed for Pro Sound and musical equipment. For 30 years Pyramid Audio has quietly serviced whatever pro sound gear was brought in. I thought with big music shops in town there would be no need for us. Seems I was wrong. Senior Technician 1, Service Manager
Bachelor's degree in electrical engineering 1978, Texas A&M University. Graduate work in analog circuit design.
1995-2000 Technical editor of Autosound and Security magazine. For five years wrote two articles of in depth technical analysis of amplifiers and radios per month. Consulting engineer for GAMES2U www.g2u.com
Consulting engineer for NHT. Consulting engineer for KOVE audio. Consulting engineer for LANZAR audio of California. Consulting engineer for Jade labs of California. Awarded an innovations award at the Consumer Electronic show, for the LANZAR dynamic range expander, the G2M and G2S. Awarded an innovations award at the consumer electronics show, for the LANZAR E30, a 30 band equalizer. Designer of the www.blinkblink.com products; gas gauge corrector for GM vehicles, sequential turn signal module, and third brake light flasher. Senior Audio Technician 2
Passing his 15th year of employment Pyramid Audio. He has proved to be in excellent asset bringing many years of experience. Formerly a field service engineer for the Sanyo Fisher corporation. Currently his specialty is the repair of Home Theater receivers. This has become quite an accomplishment, as modern receivers have increased in complexity by tremendous factor. He also does DVD players, commercial DJ equipment, and home CD players . Senior Audio Technician 3
Here for 19 years and now our specialist in; subwoofers, Levinson and Proceed transports, plus Levinson and Proceed amplifiers like the 333 and HPA3. Also our Pioneer and Kenwood Car stereo expert. Senior Audio Technician 4
Bachelor's degree in electrical engineering, University of Missouri at Rolla. IBM engineer in an earlier life, he came to us from High Fidelity of Austin in early 2004, bringing over 30 years of experience in high-end audio. We are sorry to hear that High Fidelity closed, but we are glad to have their expertise on board. An expert in CRESTRON home automation programming, he is also responsible for the older Levinson and Proceed models, plus McIntosh and Adcom product lines. If you have a Levinson No23 or No23.5 or Proceed AVP, he is the man.

OMG, customer sent this in for warranty repair because the display is stuck on HDMI and the volume Control is stuck at 3...
05/02/2026

OMG, customer sent this in for warranty repair because the display is stuck on HDMI and the volume Control is stuck at 31. Yes, that is a sticker on the front.

04/30/2025
I learned a new skill, winding  coils. A rare Technics SP-10 MKII arrived at the shop, and it would only spin very very ...
12/23/2024

I learned a new skill, winding coils. A rare Technics SP-10 MKII arrived at the shop, and it would only spin very very fast. I was able to measure that one of the two FG coils was open. So I bought a coil winder. I unwound the bad coil so I knew I needed at least 225' of wire. I measured the diameter of several strands. Bought 38 gauge enameled wire from RE*****ON 12oz 38GA is 2495 feet. Practice practice practice. Finally wound the coil for real. Reassembled and AND IT WORKS!!

09/12/2024

I was working on an old Sony STR – 252. At replacing the bad STK463. I noticed that one channel had an over one percent distortion in one channel. lot of distortion, really weird looking distortion. Not clipping not noise. As I adjusted the bass control, but distortion would go up and down and at maximum boost the distortion about normal. I decided to shotgun, but looks like tantalum capacitors, and that solved the problem. Then I tried to measure the capacitors for a fault. Couldn’t do it, ESR was correct , value was correct, loss was correct.  I remember Hase procedure from Audi magazine decade to Dr. Leach did made a wire adapter. The distortion analyzer input and output was directly across the capacitor. 

Talk about a blast from the past. early 80s I actually owned one of these . Now I’m working on one.
09/01/2024

Talk about a blast from the past. early 80s I actually owned one of these . Now I’m working on one.

08/09/2024

I heard a semiconductor vendor closed, NTE. Earlier this year BND closed. Yesterday I had problems trying to find a suitable pair of output transistors. A1106/C2581 subs to A1491/C3855. finally sub to TTA001/TTC002. i'm running out. where do you get good semis?

finally  got a updated  web page for my Shop,
08/03/2024

finally got a updated web page for my Shop,

Service Center for Home Audio and Home Theater Products

07/29/2024

The signal diodes I chose for the STV-X have more forward drop than the SANKEN version. This was due to space constraints.

This is a great replacement.
But in cases where the current through the bias diode is over 6 mA the bias adjustment pot might not adjust to the correct value.

I have found a more suitable mix of parts to make a better duplicate of the Sanken original.

parts are on order.

I recently did a thermal tracking test from 0 to 80 Celsius comparing my part to the Sanken. Placed in a stirred mineral oil bath, the parts were in series so the current was the same. I tested at 1 and 3 mA. I was pleased to see the voltage drop difference tracked closely. But my part has an almost constant 0.500V higher drop. So changes coming.

Anyone who had problems with the first version can swap for the new one.

07/19/2024

Stranded  at the Hampton Inn Indianapolis. after 16 Hour drive from Fort Worth the car started once this morning. I moved it a couple of spaces to load. The next time it cranked with not a hint of catching I’m waiting for Mobil mechanics to call me back. Might not be a very good vacation.

07/02/2024

Long distance customer asked about the Sharp S-603 output IC use in the Optonica SM7100. Compare to my notes this is the Sanken S-60. Any other observations?

Address

305 E Braker Lane
Austin, TX
78753

Opening Hours

Monday 10am - 6pm
Tuesday 10am - 6pm
Wednesday 10am - 6pm
Thursday 10am - 6pm
Friday 10am - 6pm
Saturday 10am - 2pm

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