An original Nautilus that has been used by audio critic Fu Nobuyuki for 28 years. A genuine channel divider and 2 favorite JEFF ROWLAND Model 304 power amplifiers will be sold as a set. The sound of a teacher who has valued the “feeling of air” until now. Please refer to the stereo sound online video for the episode. This time, up to an 8-channel power amplifier is included, so if you have a preamp and source, you can use it. Roon Diretta is mainly played at stores. We are happy to discuss shipping and installation. serial 233/234 (Yasuhito Koshihama) episode https://www.youtube.com/watch?v=wa2_6dRm5TA another video https://www.youtube.com/watch?v=cl-6ehLQuas&t=345s
Maintenance information: 2025.5.29 Marantz maintenance completed (MID LOW driver replaced on one side, channel divider operation test) 2025.4 Taiyo International maintained (3 types of SMD electrolytic capacitors - 48 in total replaced, overhauled)
Accessories: Genuine channel divider x 2, instruction manual, front cover x 2, badge x 2, angle fixing ring x 2, woofer detachable instrument, 20 A power cable x 2, 15 A power cable x 2, Zono tone XLR cable x 8
Main specifications: 4 way 4 speakers playback frequency band 10Hz to 25kHz impedance 6Ω size W420 x H1050 x D900 mm weight 60 kg (main unit) 50 kg (pedestal) Model 304 output 300 W x 4 (8 Ω) 500 w x 4 (4 Ω) output band width 5 Hz to 60 kHz - 3 dB dynamic range 117 dBA input impedance 40 kΩ W394 x H269 x D469 mm 43 kg
*Only 1 bottle is currently sold. 20cm cone woofer unit The exterior is dirty and scratched. (TERASHIMA Yuya)
Maintenance information: 2025.8.10 sound output confirmed
Accessories: none
Main specifications: 20 cm woofer diameter 200 mm x depth 118 mm weight 800 g
Pair tube double triode tube made in the Soviet Union measured value 112/108 (rejected value 50) with original box on one side has disappeared ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube double triode tube made in the Soviet Union measured value 104/100 (rejected value 50) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Special Feature = World Orchestra Update ~ Challenge to the 21st Century ~ [Star Tracking Report] Seiji Ozawa and Japan's Orchestra/ [Color Spot] Evgeny Kisin/] Kirov Opera Performance in Japan/ [Detailed Report] Ron Thibault International Music Competition/Wieniawski International Violin Competition/ [Interview] Hiro Kurosaki/ [Series] Amon Miyamoto Dialogue Series = Chung Myeong-hoon/I like this one song! Koizumi Junichiro (Minister of Health and Welfare) /1997.1.1 issued.
Maintenance information: A (no appendix) [The condition is determined on a scale of 3 from A to C. (See below for details)]
Accessories: ※ separate volume, no appendix
Replacement needle compatible with National EPS-19ST Operation has not been confirmed since there is no main unit (Hiura Katsuji)
Maintenance Information: Operation Unconfirmed
Accessories: original box
This is a replacement needle for the National EPC-05sta cartridge. Unopened, unchecked (Murakoshi Yoichi)
Maintenance information: unopened
Accessories: original box
Equivalent to the National EPS-75ST Replacement needle for EPC-75 It is unopened and operation has not been checked (Kobayashi Hitoshi)
Accessories: original box
Pair tube 45Special compatible spherical triode fishing rod filament measurement value 94/86 (rejection value 55) *Pairs are judged based on GM values measured by test machine TV-7 (Kojima Yosuke)
Accessories: none
Pair Tube 45Special/38142 Compatible Ball Fishing Rod Type Filament Measurement Value 98/92 (Rejection Value 55) Geta Burns, is a bargain because it has decreased ※The pair is GM measured with the tester TV-7 Judgment is based on the value (Yosuke Kojima)
Accessories: none