PS Audio HCA-2 ??

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Topic - What is the oldest Class D amplifier you are aware of? How long have they been around? nt - Tre' 06:15:37 06/14/25 (27)

The first class D amps for home use were made by Sinclair in 1964. - Ralph 12:27:39 06/24/25 (1)

As noted already. (NT) - Kal Rubinson 08:03:15 06/25/25 (0)

RE: What is the oldest Class D amplifier you are aware of? How long have they been around? nt - jimschffr 11:30:13 06/22/25 (1)

Thank you for that information. nt - Tre' 13:43:03 06/22/25 (0)

RE: What is the oldest Class D amplifier you are aware of? How long have they been around? nt - Tre' 08:50:43 06/16/25 (1)

Not surprising - jedrider 08:51:01 06/19/25 (0)

Tripath Perhaps. if Asking about Hi_Fi Amps? - cawson@onetel.com 12:55:27 06/15/25 (4)

A lot of guys splashed water in the pool over the Tripathi 2024 . . . - Billy Wonka 21:51:46 07/05/25 (0)

RE: Tripath Perhaps. if Asking about Hi_Fi Amps? - AbeCollins 08:25:31 06/16/25 (2)

RE: Tripath - tlea 15:49:57 06/16/25 (1)

RE: Tripath - AbeCollins 15:17:47 06/17/25 (0)

The first one worth a darn - E-Stat 18:53:02 06/14/25 (2)

RE: The first one worth a darn - hahax@verizon.net 20:29:53 06/14/25 (1)

Poor reliability - Steve O 14:09:17 06/17/25 (0)

PS Audio HCA-2 ?? - tlea 18:39:52 06/14/25 (1)

My first was the HCA-2 - AbeCollins 08:05:31 06/16/25 (0)

RE: What is the oldest Class D amplifier you are aware of? How long have they been around? nt - Self-Inflicted 12:02:03 06/14/25 (3)

Just...- - E-Stat 14:01:32 06/16/25 (0)

Thank you. nt - Tre' 08:51:40 06/16/25 (0)

Good article. Thanks! - AbeCollins 07:59:30 06/16/25 (0)

Sinclair Radionics released the "X-10" in 1964. (NT) - Kal Rubinson 08:51:44 06/14/25 (1)

yup (nt) - mhardy6647 14:59:21 06/18/25 (0)

Panasonic SA-XR45 receiver from 2003 - jedrider 06:46:20 06/14/25 (4)

SA-XR57 - tlea 18:24:53 06/14/25 (0)

Wish there were more of these PWM "true digital" amps - Jon L 10:37:28 06/14/25 (0)

RE: Panasonic SA-XR45 receiver from 2003 - G Squared 08:48:23 06/14/25 (0)

Ok, that's back a ways. nt - Tre' 07:09:25 06/14/25 (0)

Follow Ups

PS Audio HCA-2 ?? - tlea 18:39:52 06/14/25 (1)

My first was the HCA-2 - AbeCollins 08:05:31 06/16/25 (0)

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