- #17114 [Pilotrol], 26-03-26 08:12二戰期間Western Electric為美國海軍製造的高功率揚聲器歷史照片。 此揚聲器直徑為12.5英吋,重量約25磅。

- #17113 [Pilotrol], 26-03-26 06:15The Fisher 80AZ has wonderful tone! No question that it is one of the finest-sounding amplifier produced by Fisher in the 1950s.
- #17112 [johnnykmtang], 26-03-25 15:42Pretty cool looking Fisher power amp

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- #17111 [Pilotrol], 26-03-25 07:40Siemens於1957年為Deutsche Grammophon OEM製的立體聲Mixing Console!

- #17110 [Pilotrol], 26-03-24 07:45Grampian MA5-10是Grampian Reproducers Ltd於1955年推出的後級放大器,EL84推挽設計10 Watts輸出!Grampian MA5-10可細分為Grampian MA5-10、Grampian MA5-10A危Grampian MA5-10B三期! 初期型是用上Haddon製變壓器,A和B兩期是用上R.F. Gilson製變壓器,而B則是以EZ81代替GZ30作為整流膽!

- #17109 [Pilotrol], 26-03-22 04:30Fairchild 680是Fairchild於1960年推出市場的鑑聽放大器,也是Fairchild最後一代真空管鑑聽放大器! 此機是EL34推挽設計80 Watts輸出,也是著名Fairchild 670 Compressor專用的真空管鑑聽放大器!

- #17108 [Pilotrol], 26-03-21 23:21I also have a pair of Eico HF-14! No question that they are very good sound power amplifier at very reasonable price!

- #17107 [rcwy], 26-03-21 03:08Thanks, Alan, for the advertisement, which I downloaded for reference.
I have a pair of RD Junior, that uses one 12AX7 in the front stage amplification and phase-splitting, two EL84 for push-pull power amplication, and one E?84 rectifier. It is exactly like the EICO HF-14 in tubes used. As I have both in Hong Kong, I compared them. The inexpensive HF-14 is not any worse then the luxurious RD Junior, although the former is smaller and lighter. I love both.
最後修改時間: 2026-03-21 03:11:13 - #17106 [Pilotrol], 26-03-20 07:311958年Rogers Hi-Fi放大器廣告,當年Rogers三條Hi-Fi放大器產品線包括Rogers Senior MK.III, Rogers Junior MK.II和Rogers Cadet MK.I.

- #17105 [Pilotrol], 26-03-18 07:56RCA 40-D是RCA Deluxe Broadcast系列放大器中的Program Amplifier! 此機是1930年代美國市場上首款符合FM標準等級的Program Amplifier!

- #17104 [Pilotrol], 26-03-16 09:36Lorenz於 1940年代(第二次世界大戰前)推出的 Lorenz LMV2/III 前級放大器!其設計與 Maihak V41前級放大器的設計極為相似!

- #17103 [Pilotrol], 26-03-14 06:131952年RCA BC-2B Mixing Console廣告!

- #17102 [Pilotrol], 26-03-12 08:05Western Electric 25A

- #17101 [Pilotrol], 26-03-12 08:00重一張50年代Isaac stern在Columbia Records位於Liederkranz Hall錄音控制室舊照片,發現Mono年代在Liederkranz Hall的錄音竟是用Western Electric 25A Mixing Console錄製!

- #17100 [Pilotrol], 26-03-11 07:41凡定期向英國王室供應貨品或服務達五年或以上之企業或個人,將獲頒「女王陛下御用供應商」(By Appointment to Her Majesty the Queen)之尊榮皇家委任狀!此認證象徵經認可的女王陛下品牌,並允許持證者於產品及行銷中展示皇家徽章! 如Dynatron和HMV都是女王陛下御用品牌

- #17099 [Pilotrol], 26-03-10 08:07英國版RCA LMI-9257-D和美版RCA MI-9257-D線路設計一樣,但由於在英國RCA廠房生產,而組裝零件全是英國製品!

- #17098 [Pilotrol], 26-03-08 23:07Collins 12F是Collins Radio於1936年出的AM廣播用混音放大器系統!

- #17097 [Pilotrol], 26-03-06 07:10Pilot AA-904是Pilot於1955年推出市場的旗艦後級放大器,KT66推挽設計30 watts輸出! 當年此機主要是配合Pilot PA-913前級放大器一同使用!

最後修改時間: 2026-03-06 07:11:31 - #17096 [Pilotrol], 26-03-04 08:10RCA MI-9257-D是RCA於1940年代未推出的放影室用鑑聽後級放大器,1622推挽設計15 Watts輸出!此機除了是放影室用鑑聽後級放大器外,也可以作為緊急用後備劇院放大器!

- #17095 [Pilotrol], 26-03-03 09:18Auricon NR-25是Auricon於1959年推出的16MM Film錄音混音放大器!

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